CN103611926A - Powder metallurgy material used for diamond drill bit - Google Patents
Powder metallurgy material used for diamond drill bit Download PDFInfo
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- CN103611926A CN103611926A CN201310551838.5A CN201310551838A CN103611926A CN 103611926 A CN103611926 A CN 103611926A CN 201310551838 A CN201310551838 A CN 201310551838A CN 103611926 A CN103611926 A CN 103611926A
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Abstract
The invention discloses a powder metallurgy material used for a diamond drill bit. The powder metallurgy material is composed of, by weight, 25-60% of bronze powder, 20-55% of tungsten carbide, 4-9% of cobalt powder, 5-10% of nickel powder and 5-7% of manganese powder. A diamond drill bit matrix manufactured by using the powder metallurgy material through sintering has the advantages of good sintering performance, uniformity in alloying component portion, less proneness to oxidation in the process of sintering and good mechanical performance.
Description
Technical field
The present invention relates to a kind of powdered metallurgical material for diamond bit.
Technical background
For diamond bit, because its working environment is more severe, the requirement of its tyre-e/or performance is more just carved, and with single element form, add the bit matrix material that carries out mechanical mixture, there is following shortcoming:
(1) the middle phase adding for improving tyre-e/or performance, because its fusing point and drill-bit sintering temperature differ larger, in the sintering process of drill bit, can not reach alloying, do not reach expected effect, even in carcass, directly sneak into the mechanical performance that some special element tends to grievous injury carcass material;
(2) oxidizable in storage and sintering process;
(3) matrix composition is inhomogeneous.
Summary of the invention
Technical problem to be solved by this invention is just to provide a kind of powdered metallurgical material for diamond bit, the good and distributed components of its sintering character, store and sintering process in not oxidizable.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
For a powdered metallurgical material for diamond bit, percentage by weight composed of the following components and each component is: 663 bronze powder 25-60%, tungsten carbide 20-55%, cobalt powder 4-9%, nickel powder 5-10%, manganese powder 5-7%.
Preferably, the percentage by weight of each component is: 663 bronze powders 60%, tungsten carbide 20%, cobalt powder 4%, nickel powder 10%, manganese powder 6%.
Preferably, the percentage by weight of each component is: 663 bronze powders 50%, tungsten carbide 30%, cobalt powder 5%, nickel powder 9%, manganese powder 6%.
Preferably, the percentage by weight of each component is: 663 bronze powders 45%, tungsten carbide 35%, cobalt powder 6%, nickel powder 7%, manganese powder 7%.
Preferably, the percentage by weight of each component is: 663 bronze powders 40%, tungsten carbide 40%, cobalt powder 7%, nickel powder 8%, manganese powder 5%.
Preferably, the percentage by weight of each component is: 663 bronze powders 30%, tungsten carbide 50%, cobalt powder 8%, nickel powder 7%, manganese powder 5%.
Preferably, the percentage by weight of each component is: 663 bronze powders 25%, tungsten carbide 55%, cobalt powder 9%, nickel powder 5%, manganese powder 6%.
In component of the present invention, 663 bronze powders have good wearability, impact flexibility and higher intensity, tungsten carbide has higher hardness, good wearability and heat resistance, therefore adopt 663 bronze powders and tungsten carbide as base material, effectively raise the mechanical strength of diamond drill bit matrix, wearability and heat resistance, in component, add cobalt powder and nickel powder as bonding agent, guarantee that carcass has good sintering strength, toughness and alloy distributing homogeneity, add manganese powder and can prevent that as antioxidant sintering process alloying element from oxidation occurring and produce residue corrosion carcass.
The specific embodiment
The present invention comprises 663 bronze powders, tungsten carbide, cobalt powder, nickel powder, manganese powder for the powdered metallurgical material of diamond bit, and in described powdered metallurgical material, the percentage by weight of each component is: 663 bronze powder 25-60%, tungsten carbide 20-55%, cobalt powder 4-9%, nickel powder 5-10%, manganese powder 5-7%.
Embodiment 1: the percentage by weight of each component is: 663 bronze powders 60%, tungsten carbide 20%, cobalt powder 4%, nickel powder 10%, manganese powder 6%.Gained tyre body hardness is 20-25HRC.
Embodiment 2: differently from embodiment 1 be that the percentage by weight of described each component of powdered metallurgical material is: 663 bronze powders 50%, tungsten carbide 30%, cobalt powder 5%, nickel powder 9%, manganese powder 6%.Gained tyre body hardness is 25-30HRC.
Embodiment 3: differently from embodiment 1 be that the percentage by weight of described each component of powdered metallurgical material is: 663 bronze powders 45%, tungsten carbide 35%, cobalt powder 6%, nickel powder 7%, manganese powder 7%.Gained tyre body hardness is 30-35HRC.
Embodiment 4: differently from embodiment 1 be that the percentage by weight of described each component of powdered metallurgical material is: 663 bronze powders 40%, tungsten carbide 40%, cobalt powder 7%, nickel powder 8%, manganese powder 5%.Gained tyre body hardness is 35-38HRC.
Embodiment 5: differently from embodiment 1 be that the percentage by weight of described each component of powdered metallurgical material is: 663 bronze powders 30%, tungsten carbide 50%, cobalt powder 8%, nickel powder 7%, manganese powder 5%.Gained tyre body hardness is 38-42HRC.
Embodiment 6: differently from embodiment 1 be that the percentage by weight of described each component of powdered metallurgical material is: 663 bronze powders 25%, tungsten carbide 55%, cobalt powder 9%, nickel powder 5%, manganese powder 6%.Gained tyre body hardness is 42-45HRC.
Wherein, 663 bronze powders refer to that copper, tin, zinc, lead content are respectively the copper alloy powder of 85wt%, 6wt%, 6wt%, 3wt%, it can be divided into apparent density according to apparent density and than powder and apparent density, higher than the height pine of 3.5g/cm3, compare powder lower than the low pine of 3.5g/cm3, low pine has good formability than powder, therefore the present invention adopts low pine to compare powder.
Claims (7)
1. for a powdered metallurgical material for diamond bit, it is characterized in that: percentage by weight composed of the following components and each component is: 663 bronze powder 25-60%, tungsten carbide 20-55%, cobalt powder 4-9%, nickel powder 5-10%, manganese powder 5-7%.
2. a kind of powdered metallurgical material for diamond bit according to claim 1, is characterized in that: the percentage by weight of described each component of powdered metallurgical material is: 663 bronze powders 60%, tungsten carbide 20%, cobalt powder 4%, nickel powder 10%, manganese powder 6%.
3. a kind of powdered metallurgical material for diamond bit according to claim 1, is characterized in that: the percentage by weight of described each component of powdered metallurgical material is: 663 bronze powders 50%, tungsten carbide 30%, cobalt powder 5%, nickel powder 9%, manganese powder 6%.
4. a kind of powdered metallurgical material for diamond bit according to claim 1, is characterized in that: the percentage by weight of described each component of powdered metallurgical material is: 663 bronze powders 45%, tungsten carbide 35%, cobalt powder 6%, nickel powder 7%, manganese powder 7%.
5. a kind of powdered metallurgical material for diamond bit according to claim 1, is characterized in that: the percentage by weight of described each component of powdered metallurgical material is: 663 bronze powders 40%, tungsten carbide 40%, cobalt powder 7%, nickel powder 8%, manganese powder 5%.
6. a kind of powdered metallurgical material for diamond bit according to claim 1, is characterized in that: the percentage by weight of described each component of powdered metallurgical material is: 663 bronze powders 30%, tungsten carbide 50%, cobalt powder 8%, nickel powder 7%, manganese powder 5%.
7. a kind of powdered metallurgical material for diamond bit according to claim 1, is characterized in that: the percentage by weight of described each component of powdered metallurgical material is: 663 bronze powders 25%, tungsten carbide 55%, cobalt powder 9%, nickel powder 5%, manganese powder 6%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310551838.5A CN103611926A (en) | 2013-11-08 | 2013-11-08 | Powder metallurgy material used for diamond drill bit |
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| CN201310551838.5A CN103611926A (en) | 2013-11-08 | 2013-11-08 | Powder metallurgy material used for diamond drill bit |
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| CN103611926A true CN103611926A (en) | 2014-03-05 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924930A (en) * | 2014-04-18 | 2014-07-16 | 江汉石油钻头股份有限公司 | Impregnated tooth applicable to high-abrasiveness hard formation and preparation method thereof |
| CN104162668A (en) * | 2014-07-22 | 2014-11-26 | 铜陵长江金刚石工具有限责任公司 | Method for manufacturing copper-carbon-based diamond cutter teeth |
| CN104190941A (en) * | 2014-08-08 | 2014-12-10 | 长兴巨大勘探机械有限公司 | Assembly technology of impregnated diamond bit |
| CN107686924A (en) * | 2017-09-18 | 2018-02-13 | 张家港钻通设备有限公司 | A kind of high-speed steel drill material |
| CN107937784A (en) * | 2017-12-08 | 2018-04-20 | 吉林大学 | A kind of cryogenic treating process of diamond composite |
| CN110747413A (en) * | 2019-11-25 | 2020-02-04 | 西安优信机电工程有限公司 | Preparation method of superhard drill bit material |
| CN113151751A (en) * | 2021-04-25 | 2021-07-23 | 吉林大学 | Preparation method of basalt fiber-added diamond thermal barrier composite material |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924930A (en) * | 2014-04-18 | 2014-07-16 | 江汉石油钻头股份有限公司 | Impregnated tooth applicable to high-abrasiveness hard formation and preparation method thereof |
| CN103924930B (en) * | 2014-04-18 | 2017-01-04 | 江汉石油钻头股份有限公司 | A kind of impregnated tooth being applicable to strong abrasiveness hard formation and preparation method thereof |
| CN104162668A (en) * | 2014-07-22 | 2014-11-26 | 铜陵长江金刚石工具有限责任公司 | Method for manufacturing copper-carbon-based diamond cutter teeth |
| CN104190941A (en) * | 2014-08-08 | 2014-12-10 | 长兴巨大勘探机械有限公司 | Assembly technology of impregnated diamond bit |
| CN107686924A (en) * | 2017-09-18 | 2018-02-13 | 张家港钻通设备有限公司 | A kind of high-speed steel drill material |
| CN107937784A (en) * | 2017-12-08 | 2018-04-20 | 吉林大学 | A kind of cryogenic treating process of diamond composite |
| CN110747413A (en) * | 2019-11-25 | 2020-02-04 | 西安优信机电工程有限公司 | Preparation method of superhard drill bit material |
| CN113151751A (en) * | 2021-04-25 | 2021-07-23 | 吉林大学 | Preparation method of basalt fiber-added diamond thermal barrier composite material |
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Application publication date: 20140305 |